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Chalcopyrite Sphalerite Pyrite & Galena

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ESM771001

Chalcopyrite Sphalerite Pyrite & Galena

Description Tabs

Description
Locality: 
Roata Mine, Cavnic, Maramureș County, Romania
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 3.5 cm
Description

Lustrous golden chalcopyrite crystals with dark sphalerite crystals, grey metallic galena crystals, pyrite crystals with a white calcite crystal

Mineral Data
What's on the rock

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey